31181488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149911}}^1$

素因数の和:149932

約数の個数: 20

約数和(自身を含む): 65061808

約数和(自身を除く): 33880320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 149911, 299822, 599644, 1199288, 1948843, 2398576, 3897686, 7795372, 15590744, 31181488]

約数ペア:

[(1, 31181488), (2, 15590744), (4, 7795372), (8, 3897686), (13, 2398576), (16, 1948843), (26, 1199288), (52, 599644), (104, 299822), (208, 149911)]